Statistics and probability revision
Choose a subtopic, explore its examples and practise with feedback.
Choose a subtopic.
Explore statistics and probability revision for Year 12. Each subtopic has sample questions and worked answers; choose the skill you want to practise.
Frequency density, interpolation and fitted lines
Optional extension: Frequency density, interpolation and fitted lines
Examples, answers and practiceFrequency density, interpolation and fitted lines
Optional extension: Frequency density, interpolation and fitted lines
Examples, answers and practiceCombined means, variance and missing observations
Optional extension: Combined means, variance and missing observations
Examples, answers and practiceCombined means, variance and missing observations
Optional extension: Combined means, variance and missing observations
Examples, answers and practiceUnknown frequencies, grouped estimates and weighted spread
Optional extension: Unknown frequencies, grouped estimates and weighted spread
Examples, answers and practiceUnknown frequencies, grouped estimates and weighted spread
Optional extension: Unknown frequencies, grouped estimates and weighted spread
Examples, answers and practiceStratification, capture–recapture and sample precision
Optional extension: Stratification, capture–recapture and sample precision
Examples, answers and practiceStratification, capture–recapture and sample precision
Optional extension: Stratification, capture–recapture and sample precision
Examples, answers and practice